Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN: 9781337614085
Author: Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher: Cengage,
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Euclidean geometry

2.2 In the diagram, = 40° and = 80°. Calculate the size of AD. B 80° A 40° Statement Reason ACD=40°+ ACD = 2.3 In the diagram below, ABC is a straight line. 2 = 75° and 3 = 55° Determine the size of 75° 2 1 A 3 55 B E Statement B1+75°+55° B₁ =1 Reason sum of 2s on a straight line
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Transcribed Image Text:2.2 In the diagram, = 40° and = 80°. Calculate the size of AD. B 80° A 40° Statement Reason ACD=40°+ ACD = 2.3 In the diagram below, ABC is a straight line. 2 = 75° and 3 = 55° Determine the size of 75° 2 1 A 3 55 B E Statement B1+75°+55° B₁ =1 Reason sum of 2s on a straight line
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